<h1 class="top">Tables and columns(variable)</h1>
<h2>The block</h2>
<img src="help/img/tabcol_val_int.png" alt="tables and columns block" class="img">
<p class="text">
    This block symbolises the tables and columns of your database. 
    It is used as a value in the "WHERE"-section and will be used with the 
    <span class="intLinks pointer" onclick="fetchthelink('Help/compare_operator.html', '#5aa68c');"> compare </span> 
    and the <span class="intLinks pointer" onclick="fetchthelink('Help/terms_simple_expressions.html', '#6b59a5');">mathematical operator</span>.
    Also it will be used with functions for <span  class="intLinks pointer" onclick="fetchthelink('Help/numberfunction/abs.html', '#6b59a5');">number types</span>,
    <span class="intLinks pointer" onclick="fetchthelink('Help/datefunction/curdate.html', '#a55984');">date types</span> and 
    <span  class="intLinks pointer" onclick="fetchthelink('Help/otherfunction/decode.html', '#a56d5a');">text types</span>, 
    corresponding to the type of this block.  <br/>
    There are four colours, symbolizing the type of the column, in this block. 
    If you want to learn more about types, please see <a href="#type" class="intLinks"> 'The types'</a>.
</p>
<h2> Functionality</h2>
<p class="text"> This block has two dropdowns. 
    With the left dropdown you can choose the table and with the right you can choose the column.

<h2>The types</h2>
<img src="help/img/tabcol_val_int.png" alt="Type numeric" class="img" style="margin-top: 10px;">
<p class="text"> This colour,violet,  symbolises the numeric values of the database</p>
<img src="help/img/tabcol_val_text.png" alt="Type text" class="img">
<p class="text"> This colour, brown, symbolises the textual values of the database</p>
<img src="help/img/tabcol_val_date.png" alt="Type date" class="img">
<p class="text"> This colour,tapestry, symbolises the date values of the database</p>
<img src="help/img/tabcol_val_bool.png" alt="Type bool" class="img">
<p class="text"> This colour ,cyan, symbolises the boolean values of the database</p>
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